# Lecture Audio Download from YouTube

**Use case:** 

Convert YouTube lectures to MP3 for offline listening. Get high-quality audio files ready for download.

## Input

```json
{
  "startUrls": [
    {
      "url": "https://www.youtube.com/watch?v=jNQXAC9IVRw"
    }
  ],
  "maxItems": 5,
  "searchTerms": []
}
```

## Output

```json
{
  "sourceUrl": {
    "label": "Video URL",
    "format": "link"
  },
  "filename": {
    "label": "File"
  },
  "sizeMB": {
    "label": "Size (MB)",
    "format": "number"
  },
  "url": {
    "label": "Download MP3",
    "format": "link"
  },
  "deleteAfter": {
    "label": "Auto-delete in"
  },
  "expiresAt": {
    "label": "Expires at",
    "format": "date"
  }
}
```

## About this Actor

This example demonstrates how to use [YouTube to MP3](https://apify.com/myagizm/youtube-mp3-downloader) with a specific input configuration. Visit the [Actor detail page](https://apify.com/myagizm/youtube-mp3-downloader) to learn more, explore other use cases, and run it yourself.